linux-kernel - Re: kmemleak, cpu usage jump out of nowhere

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Message-ID: <AANLkTikTLMGzaAvsmkD5Mcu54C0TclJMlxk2GbyBQ6eA@mail.gmail.com>
Date:	Sat, 17 Jul 2010 10:46:26 +0200
From:	Zeno Davatz <zdavatz@...il.com>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Pekka Enberg <penberg@...helsinki.fi>,
	Damien Wyart <damien.wyart@...e.fr>,
	Catalin Marinas <catalin.marinas@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"x86@...nel.org" <x86@...nel.org>, "mingo@...e.hu" <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: kmemleak, cpu usage jump out of nowhere

On Fri, Jul 16, 2010 at 10:59 PM, Yinghai Lu <yinghai@...nel.org> wrote:
> On 07/16/2010 01:29 PM, Zeno Davatz wrote:
>>
>> Am 16.07.2010 um 20:27 schrieb Yinghai Lu <yinghai@...nel.org>:
>>
>>> it seems that you are using 32bit kernel. please check if this one help.
>>
>> Thanks! What RC should I patch? 2.6.35-rc5?
>
> current linus tree or 2.6.35-rc5.

Tried to patch 2.6.35-rc5 but I get:

/usr/src/my2.6> sudo patch -p1 < patch_yinghai
patching file mm/page_alloc.c
Hunk #1 FAILED at 3634.
1 out of 1 hunk FAILED -- saving rejects to file mm/page_alloc.c.rej
patching file mm/bootmem.c
Hunk #1 FAILED at 833.
Hunk #2 FAILED at 986.
2 out of 2 hunks FAILED -- saving rejects to file mm/bootmem.c.rej

Any hints?

It seems that 2.6.35-rc1 does not have the CPU eater problem. I still
running it without any interference (though I was away from the
computer for some time).

Best
Zeno
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